期刊
MATERIALS SCIENCE & ENGINEERING C-MATERIALS FOR BIOLOGICAL APPLICATIONS
卷 78, 期 -, 页码 706-714出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.msec.2017.04.138
关键词
Ag nanowires; Electrospinning; Nanofibers; PVA; Antibacterial properties
资金
- National Natural Science Foundation of China [50701016, 21271062, U1604126]
- Science and Technology Department of Henan Province [132300410227]
- Education Department of Henan Province [17A150003]
- Scientific Research Foundation of State Education Ministry for the Returned Overseas Chinese Scholars [2013-693]
In order to developing a sort of flexible fibrous mats with outstanding and durable antibacterial activates, silver nanowires incorporated into polyvinyl alcohol (PVA) nanofibers were fabricated by electrospun method. Uniform Ag nanowires (NWs) were synthesized through a template-free method of solvothermal combined with polyol process, and then, they were dispersed in PVA solution. At last, Ag NWs embedded in PVA (Ag NWs/PVA) hybrid nanofibrous films were gained by electrospun of the mixed solution. The antibacterial activity of Ag NWs/PVA nanofibers against Escherichia coli (E.coli) and Staphylococcus aureus (S.aureus) was investigated by the methods of absorption and turbidity. Ag NWs with a mean diameter of 86 nm were demonstrated to be uniformly incorporated into PVA nanofibers, forming a core-sheath nanocable structure. The as-prepared flexible and free-standing Ag NWs/PVA nanofibrous films show outstanding antimicrobial activities against both E.coli and S. aureus. It's found that both matrix polymer of PVA and enrichment of active {111} facets present in Ag NWs are favorable for the antibacterial performance. (C) 2017 Elsevier B.V. All rights reserved.
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